When it comes to the sizing, might it be useful to have a comparative chart - numbers and letters, XL in this is equal to an XXL in that, that sort of thing? Might be helpful for those who have ordered previously.

If you are a size XL (which is really in this shirt an L) and you like the wonderful jade color (which is the most versatile in my book), you are in luck. One of the old Oviatt long-sleeve polos is for sale on eBay uk: